Computation of Drag Coefficient with the Full Scale Vehicle Model and Study on Design of Air Dam 全尺寸实车风阻计算方法及优化研究
With the decrease of cavitation factor, the length of supercavitation gradually increases in the body and the total drag coefficient gradually reduces; 随着空化数的减小,超空泡在弹体上的长度逐渐增大,总阻力系数逐渐减小;
Major factors concerned with the success of airdrop such as speed, placement of parabag and drag coefficient, are analyzed and measures to improve the current system are advanced. 分析了空投速度、伞包安装位置和牵引比等因素对空投过程的影响,指出了实际系统的改进方向。
Influence of wind drag coefficient on wind-drived flow simulation 风应力拖曳系数选取对风生流数值模拟的影响
Cavity length depth ratio strongly influences flow field, total pressure recovery, drag coefficient. 凹腔长深比对流场特性、总压恢复、燃烧室阻力影响显著。
Numerical computation of aerodynamic drag coefficient for high temperature particles 高温固体颗粒气动阻力系数数值计算
The change rules of aerodynamic parameters including lift coefficient, drag coefficient and pitch moment coefficient have been analyzed when angle of attack and fuel flow rate is changed. 考虑了不同飞行攻角、不同燃料流率下气动参数,包括升力系数、阻力系数和俯仰力矩系数的变化规律。
Blade profile drag coefficient 桨叶剖面阻力系数,叶型阻力系数
Calculation method of projectile drag coefficient variation versus altitude 超声速弹箭阻力系数随高度变化的计算方法研究
The results show that the shock standoff distance is increased and total drag coefficient and wall temperature are reduced with increasing external magnetic field. 结果表明,随着磁场的增强,激波脱体距离逐渐增加;总阻力系数和壁面温度逐渐减小。
The unique aim of aerodynamic designer is always to enhance lift coefficient and reduce drag coefficient. 增升减阻一直是空气动力设计工作者追求的目标。
The linear relation between chaff drag coefficient and Reynolds number are derived. 试验结果表明:长箔条的阻力系数大于短箔条的阻力系数;
In ocean engineering realm, fluid drags are computed by Morison equation with drag coefficient defined by a function of Renold number and attack angle. 在海洋工程领域,计算软管流体阻力采用莫里逊公式,其中阻力系数是双参数迎角和雷诺数的函数。
In many cases an overall drag coefficient is given so that the net force on the surface can be determined. 在许多情况下,总的拖曳系数是已知的,因而可以确定作用于表面上的净力值。
The aerodynamic drag coefficient of a bus body model is measured in the wind tunnel with the acoustic excitation technique applied. 本文利用内部声激励技术,在风洞中对某厢式客车车身模型进行空气阻力系数的测试。
Liquid-solid circulating fluidized bed(ⅱ) studies on the apparent slip velocity and drag coefficient 液固循环流化床的研究(Ⅱ)表观滑落速度及曳力系数
The magnitude of pressure has nothing to do with the direction of the rotation and the drag coefficient is larger than that of a non-rotation golf ball. 并发现带有旋转效应的凹坑高尔夫球受到的阻力系数增大;
The Study of Optimization of Drag Coefficient in the Simulation of Storm Surges 风暴潮模型中风应力拖曳系数的优化研究
Grey-linear Regression Combined Model and Applications in Calculating Drag Coefficient of Water Supply Pipeline 灰色线性回归组合模型在计算给水管道阻力系数中的应用
Method for Extraction of Two-variable Function of Projectile Drag Coefficient from Radar Measured Data 雷达实测数据中弹丸阻力系数二元函数提取方法研究
The Study on the Filtering of the Measurement of the Warp's Tension Influence of wind drag coefficient on wind-drived flow simulation 拖网渔船曳纲张力测量的滤波处理研究风应力拖曳系数选取对风生流数值模拟的影响
Based on the data from the observed sea level elevation, numerical experiments are performed to study the spatially varying drag coefficient ( DC) with the adjoint assimilation method. 借助伴随同化方法,利用实测水位资料,对空间分布的风应力拖曳系数做了反演研究。
The Settling Velocity Drag Coefficient and Reynolds Number of Sphere and Bob 球形和圆柱&圆锥形悬浮颗粒下沉速度、阻力系数和雷诺尔德数
The drag coefficient and the Reynolds number are tightly related with the settling velocity of suspensions. 阻力系数和雷诺尔德数与悬浮颗粒的下沉速度紧密联系在一起。
The integral of the vortex on the wall was used to compute the lift and drag coefficient. 使用壁面涡量积分法计算升阻力系列化脉动,精确计算出了脉动周期和幅值,计算结果与实验数据符合较好。
The effects of different drag coefficient empirical expressions inlet velocity on the settling velocities were evaluated. 主要考察了在300rpm下,不同阻力系数经验关联式以及不同进口流速对固体沉降速度的影响。
Thebase drag coefficient C_D decreases as compared with the case without injection. 与无喷射的情形相比,底部阻力系数CD减小了。
The lift and drag coefficient via viscous correction is closer to the result of the wind tunnel test. 计算结果表明,通过粘性修正计算得到的升力、阻力系数(加上了摩擦阻力)更加接近风洞试验结果。
The lift and drag coefficient of flapping-wing MAV in different motion modes are calculated. 计算了扑翼微飞行器在不同运动模态下的升阻力系数;
A set of airfoil shape, which have minimum drag coefficient at different lift coefficient, is obtained. 获得了一组在不同升力系数下阻力系数最小的翼型形状。